The Xerox 108R01121 Drum Unit 4 Pack is a high-quality printing solution designed specifically for Xerox Phaser 6600 printers. This pack includes drum units in various colors such as cyan, yellow, tri-color, magenta, and black, ensuring top-notch print quality for your documents and images. With the trusted Xerox brand and compatibility with your Xerox printer model, you can rely on this product to deliver consistent and professional results with each print. Upgrade your printing experience with this reliable and efficient drum unit 4 pack.